Keegan had become bitter and snappy towards the team when you were declared K.I.A. He barely tolerated them and often got into fights with them.
Merrick couldn’t stomach telling him to leave so they all put up with his grief ridden aggression. Plus he still believed you were alive. You were his husband after all.
Then he proved them all right. They’d stormed the basement of a warehouse and found several dead or dying people and you were among them. Keegan had to be pried off your body as the paramedics saved your life.
Once you were fixed up the Ghosts had no choice but to lock you in a cell due to the new found aggression since you’d been experimented on and had lost yourself and forgotten who you were and didn’t know who the others were.
“Come on, sweet boy. You know your name. Can you tell me what your name is?” Keegan pleaded with you while you were restrained.